128920320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 324

約数和(自身を含む): 485948736

約数和(自身を除く): 357028416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 32, 36, 38, 40, 45, 48, 57, 60, 62, 64, 72, 76, 80, 90, 93, 95, 96, 114, 120, 124, 128, 144, 152, 155, 160, 171, 180, 186, 190, 192, 228, 240, 248, 256, 279, 285, 288, 304, 310, 320, 342, 360, 361, 372, 380, 384, 456, 465, 480, 496, 558, 570, 576, 589, 608, 620, 640, 684, 720, 722, 744, 760, 768, 855, 912, 930, 960, 992, 1083, 1116, 1140, 1152, 1178, 1216, 1240, 1280, 1368, 1395, 1440, 1444, 1488, 1520, 1710, 1767, 1805, 1824, 1860, 1920, 1984, 2166, 2232, 2280, 2304, 2356, 2432, 2480, 2736, 2790, 2880, 2888, 2945, 2976, 3040, 3249, 3420, 3534, 3610, 3648, 3720, 3840, 3968, 4332, 4464, 4560, 4712, 4864, 4960, 5301, 5415, 5472, 5580, 5760, 5776, 5890, 5952, 6080, 6498, 6840, 7068, 7220, 7296, 7440, 7936, 8664, 8835, 8928, 9120, 9424, 9920, 10602, 10830, 10944, 11160, 11191, 11520, 11552, 11780, 11904, 12160, 12996, 13680, 14136, 14440, 14592, 14880, 16245, 17328, 17670, 17856, 18240, 18848, 19840, 21204, 21660, 21888, 22320, 22382, 23104, 23560, 23808, 24320, 25992, 26505, 27360, 28272, 28880, 29760, 32490, 33573, 34656, 35340, 35712, 36480, 37696, 39680, 42408, 43320, 43776, 44640, 44764, 46208, 47120, 51984, 53010, 54720, 55955, 56544, 57760, 59520, 64980, 67146, 69312, 70680, 71424, 72960, 75392, 84816, 86640, 89280, 89528, 92416, 94240, 100719, 103968, 106020, 109440, 111910, 113088, 115520, 119040, 129960, 134292, 138624, 141360, 150784, 167865, 169632, 173280, 178560, 179056, 188480, 201438, 207936, 212040, 218880, 223820, 226176, 231040, 259920, 268584, 277248, 282720, 335730, 339264, 346560, 357120, 358112, 376960, 402876, 415872, 424080, 447640, 452352, 462080, 503595, 519840, 537168, 565440, 671460, 678528, 693120, 716224, 753920, 805752, 831744, 848160, 895280, 1007190, 1039680, 1074336, 1130880, 1342920, 1357056, 1386240, 1432448, 1611504, 1696320, 1790560, 2014380, 2079360, 2148672, 2261760, 2685840, 2864896, 3223008, 3392640, 3581120, 4028760, 4158720, 4297344, 5371680, 6446016, 6785280, 7162240, 8057520, 8594688, 10743360, 12892032, 14324480, 16115040, 21486720, 25784064, 32230080, 42973440, 64460160, 128920320]

約数ペア:

[(1, 128920320), (2, 64460160), (3, 42973440), (4, 32230080), (5, 25784064), (6, 21486720), (8, 16115040), (9, 14324480), (10, 12892032), (12, 10743360), (15, 8594688), (16, 8057520), (18, 7162240), (19, 6785280), (20, 6446016), (24, 5371680), (30, 4297344), (31, 4158720), (32, 4028760), (36, 3581120), (38, 3392640), (40, 3223008), (45, 2864896), (48, 2685840), (57, 2261760), (60, 2148672), (62, 2079360), (64, 2014380), (72, 1790560), (76, 1696320), (80, 1611504), (90, 1432448), (93, 1386240), (95, 1357056), (96, 1342920), (114, 1130880), (120, 1074336), (124, 1039680), (128, 1007190), (144, 895280), (152, 848160), (155, 831744), (160, 805752), (171, 753920), (180, 716224), (186, 693120), (190, 678528), (192, 671460), (228, 565440), (240, 537168), (248, 519840), (256, 503595), (279, 462080), (285, 452352), (288, 447640), (304, 424080), (310, 415872), (320, 402876), (342, 376960), (360, 358112), (361, 357120), (372, 346560), (380, 339264), (384, 335730), (456, 282720), (465, 277248), (480, 268584), (496, 259920), (558, 231040), (570, 226176), (576, 223820), (589, 218880), (608, 212040), (620, 207936), (640, 201438), (684, 188480), (720, 179056), (722, 178560), (744, 173280), (760, 169632), (768, 167865), (855, 150784), (912, 141360), (930, 138624), (960, 134292), (992, 129960), (1083, 119040), (1116, 115520), (1140, 113088), (1152, 111910), (1178, 109440), (1216, 106020), (1240, 103968), (1280, 100719), (1368, 94240), (1395, 92416), (1440, 89528), (1444, 89280), (1488, 86640), (1520, 84816), (1710, 75392), (1767, 72960), (1805, 71424), (1824, 70680), (1860, 69312), (1920, 67146), (1984, 64980), (2166, 59520), (2232, 57760), (2280, 56544), (2304, 55955), (2356, 54720), (2432, 53010), (2480, 51984), (2736, 47120), (2790, 46208), (2880, 44764), (2888, 44640), (2945, 43776), (2976, 43320), (3040, 42408), (3249, 39680), (3420, 37696), (3534, 36480), (3610, 35712), (3648, 35340), (3720, 34656), (3840, 33573), (3968, 32490), (4332, 29760), (4464, 28880), (4560, 28272), (4712, 27360), (4864, 26505), (4960, 25992), (5301, 24320), (5415, 23808), (5472, 23560), (5580, 23104), (5760, 22382), (5776, 22320), (5890, 21888), (5952, 21660), (6080, 21204), (6498, 19840), (6840, 18848), (7068, 18240), (7220, 17856), (7296, 17670), (7440, 17328), (7936, 16245), (8664, 14880), (8835, 14592), (8928, 14440), (9120, 14136), (9424, 13680), (9920, 12996), (10602, 12160), (10830, 11904), (10944, 11780), (11160, 11552), (11191, 11520)]